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_nchannels)rI r r r getnchannels s zAifc_read.getnchannelsc C s | j S )N)_nframes)rI r r r
getnframes s zAifc_read.getnframesc C s | j S )N)
_sampwidth)rI r r r getsampwidth s zAifc_read.getsampwidthc C s | j S )N)
_framerate)rI r r r getframerate s zAifc_read.getframeratec C s | j S )N) _comptype)rI r r r getcomptype s zAifc_read.getcomptypec C s | j S )N) _compname)rI r r r getcompname s zAifc_read.getcompnamec C s* t | | | | | | S )N)r; rZ r^ r` r\ rb rd )rI r r r getparams s zAifc_read.getparamsc C s t | jdkrd S | jS )Nr )r1 r@ )rI r r r
getmarkers s zAifc_read.getmarkersc C s2 x | j D ]}||d kr|S qW td|d S )Nr zmarker {0!r} does not exist)r@ r format)rI idmarkerr r r getmark s zAifc_read.getmarkc C s* |dk s|| j krtd|| _d| _d S )Nr zposition not in ranger )r[ r rA rE )rI posr r r setpos s zAifc_read.setposc C s | j rD| jd | jd}| j| j }|r>| j|d d| _ |dkrPdS | j|| j }| jrv|rv| |}| jt|| j| j | _|S )Nr r= r )
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zAifc_write.setnchannelsc C s | j std| j S )Nznumber of channels not set)rY r )rI r r r rZ m s zAifc_write.getnchannelsc C s0 | j rtd|dk s |dkr&td|| _d S )Nz0cannot change parameters after starting to writer r
zbad sample width)r r r] )rI sampwidthr r r setsampwidthr s
zAifc_write.setsampwidthc C s | j std| j S )Nzsample width not set)r] r )rI r r r r^ y s zAifc_write.getsampwidthc C s( | j rtd|dkr td|| _d S )Nz0cannot change parameters after starting to writer zbad frame rate)r r r_ )rI framerater r r setframerate~ s
zAifc_write.setframeratec C s | j std| j S )Nzframe rate not set)r_ r )rI r r r r` s zAifc_write.getframeratec C s | j rtd|| _d S )Nz0cannot change parameters after starting to write)r r r[ )rI ro r r r
setnframes s zAifc_write.setnframesc C s | j S )N)r )rI r r r r\ s zAifc_write.getnframesc C s. | j rtd|dkr td|| _|| _d S )Nz0cannot change parameters after starting to write)s NONEs ulaws ULAWs alaws ALAWs G722z unsupported compression type)r r ra rc )rI comptypecompnamer r r setcomptype s zAifc_write.setcomptypec C s | j S )N)ra )rI r r r rb s zAifc_write.getcomptypec C s | j S )N)rc )rI r r r rd s zAifc_write.getcompnamec C sf |\}}}}}}| j r td|dkr.td| | | | | | | | | || d S )Nz0cannot change parameters after starting to write)s NONEs ulaws ULAWs alaws ALAWs G722z unsupported compression type)r r r r r r r )rI paramsr r r ro r r r r r setparams s
zAifc_write.setparamsc C s8 | j r| jr| jstdt| j | j| j| j| j| jS )Nznot all parameters set)rY r] r_ r r; r[ ra rc )rI r r r re s zAifc_write.getparamsc C s |dkrt d|dk r t dt|ts2t dx 0z marker position must be >= 0zmarker name must be bytes)r rM bytesr} r1 r@ r~ )rI rh rk r r r r r setmark s
zAifc_write.setmarkc C s2 x | j D ]}||d kr|S qW td|d S )Nr zmarker {0!r} does not exist)r@ r rg )rI rh ri r r r rj s zAifc_write.getmarkc C s t | jdkrd S | jS )Nr )r1 r@ )rI r r r rf s zAifc_write.getmarkersc C s | j S )N)r )rI r r r rX s zAifc_write.tellc C sz t |ttfs t|d}| t| t|| j| j }| j rN| |}| j
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z Aifc_write._init_compressionc C sJ | j r| jdkr| | jd | js<|| j| j | _| j| j | j | _| jd@ rf| jd | _| j r| jdkr| jd | _| jd@ r| jd | _n0| jdkr| jd d | _| jd@ r| jd | _y| j | _
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